Green helmet respiratory protection device



FIG. 1 is a perspective view of a green helmet respiratory protection device showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top elevational view thereof;

FIG. 4 is a bottom elevational view thereof;

FIG. 5 is a rear elevational view; and,

FIG. 6 is a side elevational view thereof, the opposite side being a mirror image.

The details shown in broken lines in all views are for illustrative purposes only and form no part of the claimed design. The diagonal line shading represents the color green. 

The ornamental design for a green helmet respiratory protection device, as shown and described. 